Timeline for Are telescopes with a concave lens useful for astronomy?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 18, 2011 at 13:55 | vote | accept | InquilineKea | ||
| Aug 17, 2011 at 22:35 | history | answered | Omega Centauri | CC BY-SA 3.0 |